When to go · Washington
Washington in September
Great month. Inside Washington's best window: Apr–May, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 29°C84°F / 18°C64°F
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Washington's best window: Apr–May, Sep–Oct.
Weather in September
- WashingtonHighs around 29 °C, lows around 18 °C, rain on about 8 daysHighs around 84 °F, lows around 64 °F, rain on about 8 days
- Northeast, United States · New York, Boston, Washington, Philadelphia, Mainebest weather
Cold, sometimes snowy winters; humid 30 °C+ spells in July–August; late September to October is the pick for foliage and walking.Cold, sometimes snowy winters; humid 86 °F+ spells in July–August; late September to October is the pick for foliage and walking.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Labor Day big impact
1st Monday of September · United States
End of summer; last big road-trip weekend.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
What to pack
Nothing unusual for the weather this month.